Michael J. Lawes, Jeremy J. Midgley and Peter J. Clarke Costs and benefits of relative bark thickness in relation to fire damage: a savanna/forest contrast Journal of Ecology 101
Bark thickness is a widely accepted trait of individual fire resistance. The indicator value of absolute bark thickness depends on stem size and species differences, while relative bark thickness does not. By contrasting the costs and benefits of relatively thick bark between congeneric species pairs from forest and savanna, we show that relative bark thickness is an important functional trait offering insights to the evolution of species persistence in fire-prone habitats.
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